20421844105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1\times {\mathrm{228829}}^1$

素因数の和:230220

約数の個数: 16

約数和(自身を含む): 26410643280

約数和(自身を除く): 5988799175

約数列:

[1, 5, 13, 65, 1373, 6865, 17849, 89245, 228829, 1144145, 2974777, 14873885, 314182217, 1570911085, 4084368821, 20421844105]

約数ペア:

[(1, 20421844105), (5, 4084368821), (13, 1570911085), (65, 314182217), (1373, 14873885), (6865, 2974777), (17849, 1144145), (89245, 228829)]